77297645106 has 48 divisors (see below), whose sum is σ = 182883299040. Its totient is φ = 23400480960.

The previous prime is 77297645093. The next prime is 77297645111. The reversal of 77297645106 is 60154679277.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10206 + ... + 393318.

It is an arithmetic number, because the mean of its divisors is an integer number (3810068730).

Almost surely, 2^77297645106 is an apocalyptic number.

77297645106 is an abundant number, since it is smaller than the sum of its proper divisors (105585653934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77297645106 is a wasteful number, since it uses less digits than its factorization.

77297645106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384151 (or 384148 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 77297645106 in words is "seventy-seven billion, two hundred ninety-seven million, six hundred forty-five thousand, one hundred six".